A cellular network or mobile network is a radio network distributed over land areas called cells, each served by at least one fixed-location transceiver, known as a cell site or base station. In a cellular network, each cell uses a different set of frequencies from neighboring cells, to avoid ...

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13 views

Can't connect to mobile network on Sony Xperia Z Ultra

Device: Sony Xperia Z Ultra Carrier: The Peoples Operator (Same issue when tested with EE as well) Android Version: 5.0 Lolipop I recently lost the SIM card tray for my device, and Sony sent me out ...
0
votes
0answers
10 views

Issues when registering to mobile network abroad

I have a Motorola Moto G with Android 5.02, and a subscription for Vodafone and everything is working fine when I'm connecting to the mobile network in my country (Romania), but when I travel abroad I ...
0
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0answers
10 views

Is PSC part of global Cell ID? [migrated]

While on WCDMA networks getNeighboringCells() method returns a collection of PSC values (other are invalid). I guess this means that I should use rest of identifier values from current cell and PSC ...
-1
votes
0answers
17 views

Mobile network data continues to increase after turning off Galaxy s6

I set a limit to my data usage. initially i turned the networks back on because i needed to use it a little more, but after that I turned it off again. But I am checking my 'data exceeded' message. it ...
0
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0answers
45 views

Data network problem: Chrome timeouts while Twitter fine

My OnePlus One cellphone works fine with WiFi. Android 5.0.2, OxigenOS 1.0.0. All apps are updated. However, when on data (3G or LTE), Chrome, Google Play and a few other apps can not communicate ...
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vote
1answer
114 views

Power Efficiency: Network mode 4G LTE vs 3G GSM/WCDMA?

Firstly I think this is the right place to post this, sorry if it isn't - and please let me know! Which network mode is more power efficient: LTE 4G or GSM 3G? I assume using a 4G network uses more ...
2
votes
1answer
78 views

What's the complete map from letter to mobile network type?

I was wondering about what all letters mean. Specifically the "R" that I'm currently on. I found this summary by some provider, but it doesn't contain the R-symbol that I'm on right now. These are ...
0
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0answers
133 views

Micromax A106-Network Issue after System update

Mobile Model- Micromax A106 I am facing some problem when I try to connect Internet after System update. When I switchon the Data Connection, the internet Symbol "E" is not appeared at the top and the ...
2
votes
0answers
146 views

Why does my phone say I am roaming when connected to my “home” network?

I recently got a new phone, the Elephone P7000 and it runs stock android 5.0. Everything seems to work perfectly apart from the fact that most of the time the top status bar says I am roaming. When I ...
0
votes
1answer
91 views

Make phone running Android 2.3.3 re-download configuration settings from ISP

When I first inserted my SIM into my phone, it prompted to download configuration settings for things such as Data, MMS etc... It worked fine for about a year but I have started having problems such ...
0
votes
1answer
2k views

Moto G2 internet connection switch from 3G to 2G network

I am using Moto G2 with Lollipop 5.0.2. And I am having this trouble that whenever I am using 3G service, it automatically switches to 2G and in between it gets back to 3G. This keeps on going and ...
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vote
0answers
383 views

Change mobile network DNS on Lollipop and up

Ok, this is a constantly asked question, how to change mobile network DNS. But in different Android version, you will get different method. So this is the reason I ask this. I have already known a ...
0
votes
1answer
955 views

network problem after update in lollypop of Micromax unite 2

I updated my unite 2 4gb from service Center in Lollypop. After then its problem create no network some time . Then its fixe when I on flight mode and off it or restarting phone. But after some time ...
0
votes
2answers
3k views

Micromax Unite 2 A106 updated to Lollipop version and no network or sim detected

Using Micromax Unite 2 A106, updated to latest version of lollipop, after finalization and restarting my phone is not able to detect any SIM/network. Also no display of selection of Mobile network is ...
4
votes
1answer
602 views

How to change “Preferred Network Mode” using adb without reboot?

I'm trying to change my phone's (CM 12, Stock 4.2, both rooted) preferred network mode from "GSM/WCDMA" (0) to "WCDMA only" (2) and vice versa (there can be other modes too), using command-line only. ...
0
votes
0answers
32 views

Traffic logs on android

Very noob question here, but I was wondering if there is a simple way to look at how much traffic I've sent or received on android (not rooted, no specialist apps installed for it). I burned through ...
0
votes
1answer
87 views

How can I record mobile network traffic?

I need to record edge/3g mobile traffic in pcap file. I can't find any working app for this. How can I do this? Samsung Galaxy s3, root, cyanogenmod11.
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0answers
648 views

How to reset network settings on android?

I recently reset my phone to factory settings and now i am having network issues,I can't make or receive calls even when signal of my sim are full,only occasionally i can do it.Its not a problem of ...
1
vote
1answer
137 views

What range of tcp buffer size do you suggest for slow and fast networks?

If you search the net, you come across with ranges like these that claim would enhance your net throughput: net.tcp.buffersize.default=4096,87380,256960,4096, 16384,256960 ...
1
vote
0answers
263 views

How to lock network operator or to never go on roaming, or get out of roaming as soon as possible

I work really close to a country border, and I do NOT want my phone to connect to other operators than mine. Sometimes the operator from my home country will be unavailable for a brief period of ...
1
vote
2answers
323 views

Can Telegram notifications be disabled?

Can you disable Telegram notifications somehow? I am seeing a huge battery consumption since last few weeks and after upgrading to Android 5.0.2. After one day of use battery app is reporting that ...
1
vote
0answers
35 views

How does Android perform Data-Wifi Switch

I am trying to learn from Android source on Data-Wifi automatic switch. The closest I can get is DataCommand and WifiCommand, they seem to switch network preference (through ConnectivityManager), by ...
0
votes
0answers
97 views

Moto G 2nd Gen can't connect to the Internet when switching from 3G to 2G

I got a new Moto g2.When using the device with 3G, it works great. But when I switch to a 2G network, the internet connect stops working after a few seconds. Why is this happening?
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1answer
67 views

Network App Restriction

I recently bought a japanese cellphone (Fujitsu F-06e NX). It came with some really cool apps but most of them have limited functionality due to network work restrictions (Phone must be on docomo ntt ...
0
votes
1answer
67 views

How to lock android sim network?

I want to manually lock the android sim card network is that possible and how to do it?
0
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0answers
20 views

Can I connect Wi fi and 4G at the same time for different things [duplicate]

Is it posible to receive via WiFi data( only receive not send) to transmit later via 4G to internet Is not like hot spot(though maybe this is the name ) I just want to conect a wifi card or any ...
1
vote
0answers
84 views

How can I keep my mobile data connection up when establishing a non-internet capable WiFi connection?

I'm using a Raspberry Pi to stream music wirelessly inside my car. The Pi has a wireless network without real a exit to the outside world. I want to connect to that 'internet-less' network and still ...
0
votes
0answers
123 views

How to diagnose network connection issues?

My phone never connects to the 4G network, despite me being on a 4G plan (it at most connects to H+) and very frequently it'll lose the connection - can't use mobile data, receive SMSs or make phone ...
0
votes
0answers
119 views

ZTE Blade G lux - no network

I have a problem with my brand new ZTE Blade G lux. I bought it from Mexico (from authorized distributor, so that shouldn't be the problem) and it worked well with my mexican sim. When I got back home ...
0
votes
0answers
38 views

How to use mobile data just for one application when connected to a specific WiFi network?

My company offer a open wifi, but its proxy blocks one of my application data (Whatsapp). I'd like to use wifi to all apps with only one exception (Whatsapp). My phone is not rooted (Galaxy Note 4). ...
0
votes
0answers
29 views

Automatic Network Searching

In motog2 I am unable to but my phone on automatic network searching when I am in roaming the phone is unable to search the network automatically please help
0
votes
0answers
51 views

Will Micromax A1 work with a US SIM card

I have a Micromax Canvas A1, model No. AQ4501, Android Version 4.4.4 with Connectivity as follows. Can I get a SIM card in the US that will work on this mobile? Does WCDMA work in the US? Frequency ...
0
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0answers
351 views

Checking for SIM card defects

Short question: How can I obtain detailed information about my SIM card, using Android apps and/or adb (possibly root)? I'd like to diagnose mobile data connection problems possibly caused by SIM ...
0
votes
0answers
168 views

Configuring ssh reverse tunneling on Android 5.0 installed on the Nexus 10

I'm connected to the campus of my university and I know for sure that there is a firewall that blocks a lot of ports and the server does not support the IP forwarding and for this reason I can't give ...
0
votes
0answers
178 views

Disable automatic network operator switch

I have a dualSIM phone with Android 2.3.5. The problem is that it automatically changes the network operator instead of warning me that there is no service. I was selected the operator with "Search ...
1
vote
0answers
61 views

Changing the default ports for an application

I have to use a public WiFi service that blocks a number of ports related to online games (Clash of Clans mostly). On a pc this wouldn't be a problem to get around, on a phone though, I'm not so sure. ...
1
vote
0answers
1k views

Lollipop update on MotoG causing no service for sim card

I was using Moto G(1st gen) phone for the past 1 year. I was using 2 sims and I didnt face any problem for 1 year. After getting lollipop update, I frequently get 'no service' for one of my sim. ...
17
votes
3answers
13k views

How to disable captive portal detection? How to remove exclamation mark on Wi-Fi or signal icon in lollipop?

When connected to the Internet, the system checks if it's in a walled garden, which is simply trying to connect to google. If it fails, in Android 5, there'll be an exclamation mark on the wifi icon ...
0
votes
0answers
88 views

Nexus 5 - Network/Antenna problem

I am using a Nexus 5 purchased from google and running lolipop OS on Wind network in Canada. Had the service running for 6 months without issues and suddenly it is unable to connect to the Wind ...
0
votes
0answers
29 views

find which app sync data in roaming

i am facing some issue in Nexus 5. In my phone some apps that used Mobile-Network for syncing the data in background but i don't know. Every 1 hour message is coming with data usage. But i don't ...
0
votes
1answer
938 views

metropcs ZTE no network and doesn't connect,

I recently had to factory reset my phone. Now when I put the SIM card in from my Huawei it won't connect to the carrier data network, it only works on WiFi.
0
votes
1answer
52 views

What happens to a call when the reciever is busy

I have a doubt. What happens if i call a person who has an android mobile and the person is speaking to someone else. Will the android mobile store my number in its recent calls or will it not recieve ...
1
vote
0answers
110 views

Network not changed from 3G to 2G on Xperia L

I am using Xperia L, If i used 3G connection in one place then i moved to other place if 3G connection is not available means my phone not changed to 2G connection, i set network setting mode is ...
1
vote
0answers
54 views

Change how a phone identifies itself on the network

I currently own a Nexus 5. My mobile carrier just now begun providing LTE, but my Nexus 5 apparently isn't in its "list of compatible devices". Is there a way for me to change how the network ...
1
vote
0answers
165 views

Installing CyanogenMod changed phone number, no voice service

A few days ago, I installed cyanogenmod on my phone (From here), and I noticed that my phone couldn't get or send calls or texts. When I went to Settings>About>Status, the phone number and MIN showed ...
4
votes
1answer
3k views

Android lollipop Nexus5 mobile network exclamation mark

I am using nexus5 and I have never had problems using mobile data network. Some days ago I updated to 5.0.1 and problems started occuring, exclamation mark on mobile network icon, internet stopped ...
1
vote
1answer
714 views

Limit download rate in android? [duplicate]

I have an irritating friend of mine who has evil eye on my unlimited data plan. I have a few time asked him to do his own recharge but he tends not to. It's so irritating when he asks to tether. Can ...
0
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0answers
166 views

Recovering lost or stolen phone (security and feasability considerations)?

I am trying to understand a little bit about security in case my phone goes stolen. I have read that even if a phone is stolen and the SIM card is removed, it can still be possible to find your phone ...
0
votes
1answer
162 views

Why am I not receiving network signals on a Samsung S3 T-999?

I just bought a Samsung S3 T-999. The problem is when I switch the cellphone on, it connects to my network but just for a second. The moment that second is gone, I lose signal completely. So it's not ...
0
votes
0answers
224 views

SIP an Android: How does it work, how do I set it up, and how do I use it?

I am running Android 4.3 Jelly Bean on a Samsung Galaxy SIII. I've seen various posts on this site and on the Internet concerning SIP (Session Initiation Protocol). I've read a little bit about this ...